Best Embedded Databases in 2026
Updated
31 embedded databases ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
31ranked
0free plans on this page
4 Oct 2026last checked
Input list Embedded Databases 6 channels on this page · 14 of 48 spec lines stated by the makers
Ch Tool Free planPaid fromSupported platformsDatabase modelQuery interfaceEncryptionData synchronizationMaximum database size Spec sheet Score
26 Tkrzw Free plannot statedPaid fromnot statedSupported platformsC++ library with Python, Ruby, Java, and Go bindingsDatabase modelkey-valueQuery interfaceapiEncryptionYesData synchronizationYesMaximum database sizenot stated 5/8spec lines stated 5.6
27 UnQLite Free planYesPaid fromnot statedSupported platformsnot statedDatabase modelnot statedQuery interfacenot statedEncryptionnot statedData synchronizationnot statedMaximum database sizenot stated 1/8spec lines stated 5.6
28 redb Free planYesPaid fromnot statedSupported platformsRust crate; no std targets with atomic compare-and-swap, including Cortex-M3 and above but excluding Cortex-M0Database modelkey-valueQuery interfaceapiEncryptionnot statedData synchronizationnot statedMaximum database sizenot stated 4/8spec lines stated 5.5
29 Pebble Free plannot statedPaid fromnot statedSupported platformsGo applicationsDatabase modelkey-valueQuery interfaceapiEncryptionnot statedData synchronizationnot statedMaximum database sizenot stated 3/8spec lines stated 5.4
30 PouchDB Free planYesPaid fromnot statedSupported platformsnot statedDatabase modelnot statedQuery interfacenot statedEncryptionnot statedData synchronizationnot statedMaximum database sizenot stated 1/8spec lines stated 5.2
31 Ristretto Free plannot statedPaid fromnot statedSupported platformsnot statedDatabase modelnot statedQuery interfacenot statedEncryptionnot statedData synchronizationnot statedMaximum database sizenot stated 0/8spec lines stated 5.2
Compare all 6 in a table
| # | Tool | Score | Free plan | Free plan | Paid from | Supported platforms | Database model |
|---|---|---|---|---|---|---|---|
| 26 | Tkrzw | 5.6 | No | — | — | C++ library with Python, Ruby, Java, and Go bindings | key-value |
| 27 | UnQLite | 5.6 | No | Yes | — | — | — |
| 28 | redb | 5.5 | No | Yes | — | Rust crate; no_std targets with atomic compare-and-swap, including Cortex-M3 and above but excluding Cortex-M0 | key-value |
| 29 | Pebble | 5.4 | No | — | — | Go applications | key-value |
| 30 | PouchDB | 5.2 | No | Yes | — | — | — |
| 31 | Ristretto | 5.2 | No | — | — | — | — |
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